Correlation functions at small quark masses with overlap fermions

L. Giusti , P. Hernandez , M. Laine , C. Pena , P. Weisz , J. Wennekers , H. Wittig

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classification ✦ hep-lat

keywords correlationdeltafermionsfunctionsoverlapchiralcomputedconstants

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We report on recent work on the determination of low-energy constants describing Delta{S}=1 weak transitions, in order to investigate the origins of the Delta{I}=1/2 rule. We focus on numerical techniques designed to enhance the statistical signal in three-point correlation functions computed with overlap fermions near the chiral limit.

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Correlation functions at small quark masses with overlap fermions

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